Forum Discussion
Peter_Baumann_5
Nimbostratus
NimbostratusUpgrade from v11.6.0 HF4 to v11.6.0 HF6 breaks some monitors
Hi all,
Is there any problem known with v11.6.0 HF6 upgrade with http monitors?
The customer was using the following http monitors in v11.6.0 HF4:
`GET /_layouts/15/success.aspx HTTP/1.1\r\nHost...
I got bit by this last night, which resulted in extended downtime until we found the cause. On our LTM-VE (standalone), it only doubled the backslashes, which allowed it to work on some pools still. Our 2000s HA pair got triple backslashes, though, and marked everything down as a result. Not good.
https://support.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/product/relnote-ltm-11-5-1.htmlrn_ki
ID 453256 seems to point to an issues with double quotes are backslashes in monitors. Seems pretty hard to avoid getting hit by it (I'd probably over/under escape).
https://support.f5.com/kb/en-us/products/big-ip_ltm/releasenotes/product/relnote-ltm-11-6-0.htmlrn_ki
Different ID, 291584, points to another backslash issue where the workaround is to delete the extras.
boneyard
MVP
MVPthanks for the heads up, haven't seen this yet, but something useful the remember.